Ri-Ju (周日菊) Zhou
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Born : 1976
Cat. W50 Ultrarunner since 2015
15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
46
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?China
China68,2%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 295; Σ finishers = 1 900. 1 295 / 1 900 × 100 = 68.16%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races2 391 km
> 100 km9
> 160 km7
> 200 km3
Longest race400,0 km
4th Ultra Trail Gobi Race (UTGR) 400 — 28/9/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/9/2018 | 4th Ultra Trail Gobi Race (UTGR) 400 | 400,00 | ×8 |
| ✓ 2 | 11/8/2018 | 2nd Mt. Wumeng Ultra Trail 333km | 333,00 | ×7 |
| ✓ 3 | 17/6/2017 | 1st Xtrail Kanas 330 km Ultra-Trail Run | 323,00 | ×7 |
| ✓ 4 | 23/3/2017 | 1st Ultra-Trail Huangshan (UTHS) - 180 km | 180,00 | ×3 |
| ✓ 5 | 24/11/2016 | 2nd Ultra-Trail Three Gorges 168 km | 168,00 | ×3 |
| ✓ 6 | 13/11/2020 | 6th Jiangnan 100 Ultra Trail - 100mi | 160,93 | ×3 |
| ✓ 7 | 12/4/2019 | 5th Jiangnan 100 Ultra Trail - 100mi | 160,93 | ×3 |
| ✓ 8 | 14/4/2018 | 4th Jiangnan 100 Ultra Trail - 110km | 110,00 | ×2 |
| ✓ 9 | 14/9/2019 | 2nd Ultra Trail Shennongjia 105 km Salt Road Challenge | 105,00 | ×2 |
| ✓ 10 | 6/10/2020 | 2nd Ultra Trail Jinan - 100 km | 100,00 | ×2 |
| ✓ 11 | 19/5/2018 | 1st Jiangnan 100 km Run | 100,00 | ×2 |
| ✓ 12 | 12/3/2016 | 3rd Wendao Ultra Trail HZ100 - 100 km | 100,00 | ×2 |
| ✓ 13 | 22/10/2016 | 1st Peak of Jiang Nan Skyrunning | 50,00 | ×1 |
| ✓ 14 | 24/10/2015 | 1st Tianmu 7 Ultra Skymarathon - Autumn | 50,00 | ×1 |
| ✓ 15 | 18/4/2015 | ANA Trail Series - Tianmu Seven | 50,00 | ×1 |